[polly] Use llvm::erase_value (NFC)

Author: kazutakahirata

polly/lib/Analysis/ScopInfo.cpp

@@ -1647,9 +1647,7 @@ void Scop::removeFromStmtMap(ScopStmt &Stmt) {
   } else {
     auto StmtMapIt = StmtMap.find(Stmt.getBasicBlock());
     if (StmtMapIt != StmtMap.end())
-      StmtMapIt->second.erase(std::remove(StmtMapIt->second.begin(),
-                                          StmtMapIt->second.end(), &Stmt),
-                              StmtMapIt->second.end());
+      llvm::erase_value(StmtMapIt->second, &Stmt);
     for (Instruction *Inst : Stmt.getInstructions())
       InstStmtMap.erase(Inst);
   }
@@ -2424,15 +2422,13 @@ void Scop::removeAccessData(MemoryAccess *Access) {
     ValueDefAccs.erase(Access->getAccessValue());
   } else if (Access->isOriginalValueKind() && Access->isRead()) {
     auto &Uses = ValueUseAccs[Access->getScopArrayInfo()];
-    auto NewEnd = std::remove(Uses.begin(), Uses.end(), Access);
-    Uses.erase(NewEnd, Uses.end());
+    llvm::erase_value(Uses, Access);
   } else if (Access->isOriginalPHIKind() && Access->isRead()) {
     PHINode *PHI = cast<PHINode>(Access->getAccessInstruction());
     PHIReadAccs.erase(PHI);
   } else if (Access->isOriginalAnyPHIKind() && Access->isWrite()) {
     auto &Incomings = PHIIncomingAccs[Access->getScopArrayInfo()];
-    auto NewEnd = std::remove(Incomings.begin(), Incomings.end(), Access);
-    Incomings.erase(NewEnd, Incomings.end());
+    llvm::erase_value(Incomings, Access);
   }
 }